Juergen Gross 7fa0da5373 x86/xen: remove hypercall page ... The hypercall page is no longer needed. It can be removed, as from the Xen perspective it is optional. But, from Linux's perspective, it removes naked RET instructions that escape the speculative protections that Call Depth Tracking and/or Untrain Ret are trying to achieve. This is part of XSA-466 / CVE-2024-53241. Reported-by: Andrew Cooper <andrew.cooper3@citrix.com> Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com> Reviewed-by: Jan Beulich <jbeulich@suse.com>		2024-12-17 08:23:42 +01:00
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asm	x86/xen: remove hypercall page	2024-12-17 08:23:42 +01:00
uapi/asm	The biggest change here is eliminating the awful idea that KVM had, of	2024-11-23 16:00:50 -08:00